Level 45: Find mistakes and correct The organizers of the charity were more than surprised about how many people lined up to receive the clothes donating by the outdoing mayor
Explanation: Simplify relative clauses with participles:
N + that/who/which + V (divide) =
+ N + V-ing when the verb is in the active form
+ N + P(II) when the verb is in the passive form
Clothing must be donated, not self-gifted.
Edit: donating=> donated
The organizers of the charity event were amazed at the long queues to receive the clothes donated by the mayor’s efforts.